cp3cn23 National Semiconductor Corporation, cp3cn23 Datasheet - Page 9

• Manufacturer Part Number: cp3cn23
• Description: Cp3cn23 Reprogrammable Connectivity Processor With Dual Can Interfaces
• Manufacturer: National Semiconductor Corporation

ADGND
X1CKO
X2CKO
RESET
ADVCC
IOGND
IOVCC
X1CKI
X2CKI
AGND
Name
AVCC
ENV0
ENV1
ENV2
ADC0
ADC1
ADC2
ADC3
ADC4
ADC5
ADC6
ADC7
GND
TMS
TDO
VCC
TCK
RDY
SCL
SDA
TDI
Pins
16
15
1
1
1
1
1
1
1
1
1
1
1
1
1
6
6
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Input
Output
Input
Output
Input
I/O
I/O
I/O
Input
Input
Input
Output
Output
Input
Input
Input
Input
Input
Input
Input
Input
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
Input
Input
I/O
12 MHz Oscillator Input
12 MHz Oscillator Output
32 kHz Oscillator Input
32 kHz Oscillator Output
Chip general reset
Special mode select input with
internal pull-up during reset
Special mode select input with
internal pull-up during reset
Special mode select input with
internal pull-up during reset
JTAG Test Mode Select
(with internal weak pull-up)
JTAG Test Clock Input
(with internal weak pull-up)
JTAG Test Data Input
(with internal weak pull-up)
JTAG Test Data Output
NEXUS Ready Output
2.5V Core Logic
Power Supply
Core Ground
2.5
I/O Ground
PLL Analog Power Supply
PLL Analog Ground
ADC Analog Power Supply
ADC Analog Ground
ACCESS.bus Clock
ACCESS.bus Serial Data
ADC Input Channel 0
ADC Input Channel 1
ADC Input Channel 2
ADC Input Channel 3
ADC Input Channel 4
ADC Input Channel 5
ADC Input Channel 6
ADC Input Channel 7
–
3.3V I/O Power Supply
Table 2 CP3CN23 LQFP-128 Signal Descriptions
Primary Function
9
BBCLK
None
None
None
None
PLLCLK
CPUCLK
SLOWCLK
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
TSX+
TSY+
TSX-
TSY-
MUXOUT0
MUXOUT1
None
ADCIN
Alternate
Name
BB reference clock for the RF Interface
None
None
None
None
PLL Clock Output
CPU Clock Output
Slow Clock Output
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Touchscreen X+ contact
Touchscreen Y+ contact
Touchscreen X- contact
Touchscreen Y- contact
Analog Multiplexer Output 0
Analog Multiplexer Output 1
None
ADC Input (in MUX mode)
Alternate Function
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